Comparison

Flight Calculator vs FlightReady E6B

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Flight Calculator

Features
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Flight Calculator is an app for pilots to perform flight related calculations. iPad version only (choose preferred orientation for Notes in Settings/Flight calc) It is highly recommended to read manual at developer's webpage. If some calculation you need is missing, please contact developer and the calculation will be added as soon as possible. This app contains following calculations: Distance, time, speed Addition, subtraction of time Turn calculation True air speed Fly by turn distance Reciprocal heading Pressure altitude Density altitude True altitude Ground speed when climbing or descending Climb or descent rate Distance for climb or descent Wind components Wind related calculations Point of No Return Critical Point Fuel calculation Unit Converter LatLong, MGRS and UTM coordinates conversion Only for iPad: Notes (ATIS, Delivery, Free format) (Stylus recommended) Stopwatch (To track flight and engine time) The icons for bottom bar were used from http://icons8.com

About

FlightReady E6B

This aviation utility provides over 100 functions, conversions, and utilities for pilots. It offers accurate calculations for flight planning, performance, navigation, and aerodynamics, surpassing other E6B apps with its comprehensive and precise scientific formulas.

Highlights
  • Over 100 aviation functions
  • Accurate scientific formulas
  • Flight planning calculations
  • Performance metrics
  • Navigation tools
  • Extensive unit conversions
  • Weight & Balance calculations
Currently charting
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FlightReady E6B is a modern flight computer with the most complete set of aviation functions, conversions, and utilities for planning and flying. WHY PILOTS USE FLIGHTREADY E6B • Accurate. Conversions use exact defined factors, and airspeed and altitude calculations use the full U.S. Standard Atmosphere, maintaining accurate calculations above 36,000 feet. • Explained. Every function and conversion has built-in help that describes what it calculates, how to use it, and the formulas and conventions behind it. • Fast. Star the functions you use most to keep them at the top of the main menu, and your favorites sync to your other devices through iCloud. Open functions from Search, Shortcuts, Control Center, the Lock Screen, or the Action button. • Easy to use. Change a field's unit from the menu beside it, and every related field on the screen follows. Results automatically carry over to related functions, reducing repeated data entry. • Night-flight friendly. Dark mode uses a red-shifted amber color scheme designed for use in a dark cockpit. PLAN LEG ▸ Heading & Groundspeed: true heading, groundspeed, and magnetic and compass heading ▸ Time & Distance: leg time, distance, or groundspeed ▸ Required True Airspeed: the true airspeed and heading needed to make a planned groundspeed ▸ Fuel Consumption: fuel required, fuel flow, or endurance ▸ Point of No Return and Equal Time Point, with ETAs AIRSPEED, ALTITUDE, AND WEATHER ▸ Airspeed: actual TAS and Mach, plan Mach, plan TAS, and total air temperature ▸ Altitude: pressure, density, and true altitude ▸ Cloud Base: cloud base AGL and MSL, and relative humidity, from temperature and dew point WIND ▸ Wind Component: headwind and crosswind ▸ Unknown Wind ▸ Wind Correction Angle CLIMB & DESCENT ▸ Climb/Descent Rate: required gradient in ft/nm, percent, and degrees, and rate in ft/min ▸ Top of Descent: determine when to begin descent ▸ Gradient Conversion: percent, degrees, and ft/nm PERFORMANCE ▸ Rate of Turn and Turn Radius for any bank angle and airspeed ▸ Standard Rate Bank Angle and Standard Rate Turn Radius ▸ Hydroplane Speed for rotating and non-rotating tires ▸ Load Factor in Level Turn ▸ Pivotal Altitude, AGL and MSL NAVIGATION ▸ DME Arc Distance ▸ Lead Turn Distance: how far before a fix to start the turn ▸ Thunderstorm Cell Height from radar tilt and distance ▸ Time/Distance to Station from a VOR or NDB bearing change ▸ Holding Pattern: determine entry type and visualize the holding pattern AERODYNAMICS ▸ Lift ▸ Power & Torque WEIGHT & BALANCE ▸ C.G. & Moment: enter any two of weight, CG, and moment to get the third ▸ C.G. Shift: enter any three values to get the fourth, such as how much weight to move ▸ CG % of MAC CONVERSIONS ▸ Temperature: °C, °F, K, and °R ▸ Distance: nautical miles, statute miles, kilometers, feet, and more ▸ Speed: knots, mph, km/h, ft/min, m/s, and Mach ▸ Pressure: inHg, mbar/hPa, kPa, psi, mmHg, and more ▸ Fuel @ 15°C: gallons, liters, pounds, and kilograms of 100LL, Jet-A, Jet-B, JP-8, and water ▸ Weight & Mass, Area, Liquid Volume (US and imperial), Volume, Density, Power, and Torque TIME UTILITIES ▸ Time Calculator: add, subtract, multiply, and divide times, in decimal or formatted time, including h:m ▸ Flight Log Calculator: block and flight times from your out, off, on, and in times ▸ Standard Calculator ▸ IFR Timer: a countdown that keeps running when you lock your phone, with a notification when time is up SETTINGS ▸ Results to as many as four decimal places ▸ Day, Night, and Auto appearance

Screenshots

Flight Calculator4 screens
FlightReady E6B4 screens

Verdict

The call

The clearest difference is price: Flight Calculator at $4.99 against FlightReady E6B's $9.99. Flight Calculator also leads on iOS requirement (12.0 vs 18.1). FlightReady E6B's advantage is chart position (#71 vs unranked). On update cadence, ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Flight Calculator costs $4.99 and FlightReady E6B $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Flight Calculator ships an update every 3 months, FlightReady E6B every 4 months. The most recent releases landed on October 14, 2026 and October 11, 2026 respectively.

Scorecard3 real differences · 8 level
Flight Calculator versus FlightReady E6B: the parameters behind the verdict, then further details
ParameterFlight CalculatorFlightReady E6B
Price$4.99 — better$9.99
Rating—4.7 (1.1K ratings) — better
Positive reviews—83.3% of reviews
Number of ratings—1.1K — better
Update frequencyEvery 3 months — betterEvery 4 months
AdsNoNo
In-app purchasesNoNo
Monetization—Paid
Best chart rank—#71 — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.0 — better18.1
Further details — not scored
Size2 MB5 MB
Age rating4+4+
DeveloperAndrej HyllAeroapps Technology

Bugs and requests

Flight Calculator

Not enough reviews yet to summarise bugs or requests.

FlightReady E6B

Reported bugs

2 issues
  • Fuel computation functions crashing
  • New extra functions not working

Requested features

3 requests
  • Add wind correction angle calculation
  • Include seconds in time measurements
  • Provide user manual or instructions

In-app purchases

None

Flight Calculator

No in-app purchases

None

FlightReady E6B

No in-app purchases

Questions

Is Flight Calculator free?
Flight Calculator costs $4.99, with no in-app purchases.
Is FlightReady E6B free?
FlightReady E6B costs $9.99, with no in-app purchases.
Do Flight Calculator or FlightReady E6B have ads?
Neither Flight Calculator nor FlightReady E6B shows ads.
Which is updated more often, Flight Calculator or FlightReady E6B?
Flight Calculator ships an update every 3 months, and FlightReady E6B every 4 months. Most recently, Flight Calculator was updated on October 14, 2026 and FlightReady E6B on October 11, 2026.

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